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PHP Operators and Expressions

PHP Operators and Expressions
What will be the output of the following PHP code ?
$one = "Hello";
$two = "World";
echo $one, $two;

Hello World
World
Hello
HelloWorld

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PHP Operators and Expressions
Ceil(-2.1) would be

2
-3
3
-2

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$color1 = red;
$color2 = green;
echo "$color1"."$color2";

red green
red
error
green

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PHP Operators and Expressions
What will be the output of the following PHP code ?
echo "This", "was", "a", "bad", "idea";

Error
This, was, a, bad, idea
Thiswasabadidea
This was a bad idea

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PHP Operators and Expressions
What will be the output of the following PHP code ?
$cars = array("Volvo", "BMW", "Toyota");
echo "My car is a {$cars[0]}";

My car is a Volvo
My car is a BMW
Error
My car is a Toyota

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PHP Operators and Expressions
What is the output of given statement?Print 17 % 3;

5.67
5.666667
2
none of above

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